dt {
    font-weight: bold;
}

dl,
dd {
    font-size: .9rem;
}

dd {
    margin-bottom: .5em;
}

div[class="flex"] {
    float: left;
}

div[class="flex-items"] {
    float: left;
}

div[class='flex-box'] {
    display: flex;
    width: 300px;
    height: 500px;
    background-color: aquamarine;
}

div[class='flex-item'] {
    width: 70px;
    height: 90px;
    border: 3px dotted blue;
}

div[class="attribute"] {
    float: left;
}